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{"bugzilla": {"description": "firefox: firefox: arbitrary code execution via use-after-free in JIT compiler", "id": "2550420", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550420"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in firefox. A use-after-free memory vulnerability in the JavaScript Just-In-Time (JIT) engine allows a remote attacker to achieve arbitrary code execution or cause a Denial of Service (DoS). By tricking a user into visiting a malicious webpage, an attacker can exploit incorrect memory handling to compromise the browser process."], "name": "CVE-2026-109729", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-13T12:29:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-109729\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-109729\nhttps://bugzilla.mozilla.org/show_bug.cgi?id=2074632\nhttps://www.mozilla.org/security/advisories/mfsa2026-106/\nhttps://www.mozilla.org/security/advisories/mfsa2026-107/\nhttps://www.mozilla.org/security/advisories/mfsa2026-108/"], "threat_severity": "Important"}

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